Warning: Permanently added '10.128.0.192' (ED25519) to the list of known hosts. 2025/12/26 19:50:11 parsed 1 programs [ 47.202913][ T30] audit: type=1400 audit(1766778612.854:105): avc: denied { unlink } for pid=394 comm="syz-executor" name="swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 47.259388][ T394] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 48.181411][ T30] audit: type=1401 audit(1766778613.824:106): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768" [ 48.389605][ T445] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.396773][ T445] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.404302][ T445] device bridge_slave_0 entered promiscuous mode [ 48.411210][ T445] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.419123][ T445] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.426946][ T445] device bridge_slave_1 entered promiscuous mode [ 48.475412][ T445] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.482764][ T445] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.490524][ T445] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.497802][ T445] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.516728][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.524556][ T300] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.531918][ T300] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.541250][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.549519][ T300] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.556613][ T300] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.565623][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.574290][ T300] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.581507][ T300] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.594232][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.608563][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 48.622270][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 48.633756][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 48.641835][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 48.649664][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 48.658761][ T445] device veth0_vlan entered promiscuous mode [ 48.673370][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 48.682943][ T445] device veth1_macvtap entered promiscuous mode [ 48.698215][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 48.708958][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2025/12/26 19:50:14 executed programs: 0 [ 48.957946][ T461] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.965718][ T461] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.973425][ T461] device bridge_slave_0 entered promiscuous mode [ 48.980413][ T461] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.987540][ T461] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.994968][ T461] device bridge_slave_1 entered promiscuous mode [ 49.058265][ T461] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.065756][ T461] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.073133][ T461] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.080454][ T461] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.104465][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 49.112371][ T300] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.121823][ T300] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.138157][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.146515][ T300] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.153920][ T300] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.162026][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.171863][ T300] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.179169][ T300] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.187783][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 49.197891][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.215035][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 49.226641][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 49.235039][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 49.242475][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 49.251281][ T461] device veth0_vlan entered promiscuous mode [ 49.262736][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 49.270993][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 49.280541][ T461] device veth1_macvtap entered promiscuous mode [ 49.290110][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 49.297931][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 49.306425][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 49.316192][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 49.324711][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 49.348586][ T30] audit: type=1400 audit(1766778614.994:107): avc: denied { create } for pid=471 comm="syz.2.16" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 49.373340][ T30] audit: type=1400 audit(1766778614.994:108): avc: denied { write } for pid=471 comm="syz.2.16" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 49.392869][ T30] audit: type=1400 audit(1766778614.994:109): avc: denied { setopt } for pid=471 comm="syz.2.16" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 49.754398][ T8] device bridge_slave_1 left promiscuous mode [ 49.760583][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.768484][ T8] device bridge_slave_0 left promiscuous mode [ 49.774976][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.783552][ T8] device veth1_macvtap left promiscuous mode [ 49.789680][ T8] device veth0_vlan left promiscuous mode 2025/12/26 19:50:19 executed programs: 272 [ 158.462976][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 158.469798][ C0] rcu: 0-...!: (10000 ticks this GP) idle=dbb/1/0x4000000000000000 softirq=7613/7613 fqs=0 last_accelerate: a14a/c85a dyntick_enabled: 1 [ 158.483904][ C0] (t=10002 jiffies g=6089 q=121) [ 158.489208][ C0] rcu: rcu_preempt kthread timer wakeup didn't happen for 10001 jiffies! g6089 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 [ 158.501463][ C0] rcu: Possible timer handling issue on cpu=0 timer-softirq=984 [ 158.509331][ C0] rcu: rcu_preempt kthread starved for 10004 jiffies! g6089 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 158.520630][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 158.530623][ C0] rcu: RCU grace-period kthread stack dump: [ 158.536527][ C0] task:rcu_preempt state:I stack:28752 pid: 14 ppid: 2 flags:0x00004000 [ 158.545818][ C0] Call Trace: [ 158.549150][ C0] [ 158.552121][ C0] __schedule+0xb6e/0x14c0 [ 158.556582][ C0] ? release_firmware_map_entry+0x190/0x190 [ 158.562501][ C0] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 158.568361][ C0] ? __mod_timer+0x7ae/0xb30 [ 158.573004][ C0] schedule+0x11e/0x1e0 [ 158.577196][ C0] schedule_timeout+0x12c/0x2e0 [ 158.582071][ C0] ? console_conditional_schedule+0x30/0x30 [ 158.588095][ C0] ? update_process_times+0x200/0x200 [ 158.593497][ C0] ? prepare_to_swait_event+0x308/0x320 [ 158.599070][ C0] rcu_gp_fqs_loop+0x293/0xf60 [ 158.603861][ C0] ? debug_smp_processor_id+0x17/0x20 [ 158.609434][ C0] ? __note_gp_changes+0x4e2/0x9e0 [ 158.614595][ C0] ? rcu_gp_init+0xc00/0xc00 [ 158.619276][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 158.624493][ C0] ? rcu_gp_init+0x9a7/0xc00 [ 158.629221][ C0] rcu_gp_kthread+0x98/0x330 [ 158.633859][ C0] ? wake_nocb_gp+0x1d0/0x1d0 [ 158.638587][ C0] ? __kasan_check_read+0x11/0x20 [ 158.643713][ C0] ? __kthread_parkme+0xac/0x200 [ 158.648676][ C0] ? preempt_count_add+0x90/0x1b0 [ 158.653722][ C0] kthread+0x411/0x500 [ 158.657898][ C0] ? wake_nocb_gp+0x1d0/0x1d0 [ 158.662597][ C0] ? kthread_blkcg+0xd0/0xd0 [ 158.667219][ C0] ret_from_fork+0x1f/0x30 [ 158.671670][ C0] [ 158.674711][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 158.681148][ C0] NMI backtrace for cpu 0 [ 158.685519][ C0] CPU: 0 PID: 2101 Comm: syz.2.559 Not tainted syzkaller #0 [ 158.692829][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 158.703181][ C0] Call Trace: [ 158.706495][ C0] [ 158.709354][ C0] __dump_stack+0x21/0x30 [ 158.713729][ C0] dump_stack_lvl+0xee/0x150 [ 158.718344][ C0] ? show_regs_print_info+0x20/0x20 [ 158.723574][ C0] dump_stack+0x15/0x20 [ 158.727754][ C0] nmi_cpu_backtrace+0x2b4/0x2c0 [ 158.732804][ C0] ? nmi_trigger_cpumask_backtrace+0x240/0x240 [ 158.739083][ C0] ? load_image+0x3a0/0x3a0 [ 158.743611][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 158.749700][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 158.755789][ C0] nmi_trigger_cpumask_backtrace+0x138/0x240 [ 158.761792][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 158.767800][ C0] rcu_check_gp_kthread_starvation+0x1e0/0x260 [ 158.773985][ C0] ? rcu_check_gp_kthread_expired_fqs_timer+0x186/0x230 [ 158.781499][ C0] print_cpu_stall+0x31b/0x600 [ 158.786399][ C0] rcu_sched_clock_irq+0x74a/0x12b0 [ 158.791815][ C0] ? rcu_boost_kthread_setaffinity+0x310/0x310 [ 158.798017][ C0] ? raise_softirq+0x71/0xe0 [ 158.802832][ C0] ? __raise_softirq_irqoff+0xd0/0xd0 [ 158.808232][ C0] ? hrtimer_run_queues+0x166/0x430 [ 158.813460][ C0] update_process_times+0x198/0x200 [ 158.818799][ C0] tick_sched_timer+0x17c/0x240 [ 158.824156][ C0] ? tick_setup_sched_timer+0x450/0x450 [ 158.829745][ C0] __hrtimer_run_queues+0x3b5/0x9e0 [ 158.834977][ C0] ? hrtimer_interrupt+0x8c0/0x8c0 [ 158.840118][ C0] ? ktime_get_update_offsets_now+0x2fa/0x310 [ 158.846393][ C0] hrtimer_interrupt+0x3c7/0x8c0 [ 158.851408][ C0] __sysvec_apic_timer_interrupt+0xfa/0x3e0 [ 158.857428][ C0] sysvec_apic_timer_interrupt+0xa4/0xc0 [ 158.863109][ C0] [ 158.866144][ C0] [ 158.869094][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 158.875303][ C0] RIP: 0010:kvm_wait+0xf2/0x140 [ 158.880222][ C0] Code: 91 d6 03 f4 eb 9a fa 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0 75 3f 0f b6 07 40 38 f0 75 10 66 90 0f 00 2d 90 91 d6 03 fb f4 71 ff ff ff fb e9 6b ff ff ff e8 4e c9 72 03 89 f9 80 e1 07 38 [ 158.900046][ C0] RSP: 0018:ffffc9000202f6c0 EFLAGS: 00000246 [ 158.906136][ C0] RAX: 0000000000000003 RBX: ffff88810e0d0088 RCX: ffffffff814f42f9 [ 158.914134][ C0] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffff88810e0d0088 [ 158.922126][ C0] RBP: ffffc9000202f750 R08: dffffc0000000000 R09: ffffed1021c1a012 [ 158.930124][ C0] R10: ffffed1021c1a012 R11: 1ffff11021c1a011 R12: 1ffff1103ee00001 [ 158.938122][ C0] R13: ffff8881f7038ad4 R14: dffffc0000000000 R15: 1ffff92000405ed8 [ 158.946305][ C0] ? __pv_queued_spin_lock_slowpath+0x5b9/0x9c0 [ 158.952865][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 158.957998][ C0] ? __pv_queued_spin_lock_slowpath+0x5b9/0x9c0 [ 158.964645][ C0] __pv_queued_spin_lock_slowpath+0x60f/0x9c0 [ 158.970842][ C0] ? __pv_queued_spin_unlock_slowpath+0x300/0x300 [ 158.977540][ C0] ? avc_has_perm+0x158/0x240 [ 158.982331][ C0] queued_spin_lock_slowpath+0x47/0x50 [ 158.987813][ C0] _raw_spin_lock_bh+0xd8/0xe0 [ 158.992609][ C0] ? _raw_spin_lock_irq+0xe0/0xe0 [ 158.997659][ C0] lock_sock_nested+0x97/0x290 [ 159.002451][ C0] ? sock_init_data+0xc0/0xc0 [ 159.007171][ C0] ? _raw_spin_lock_bh+0x8e/0xe0 [ 159.012194][ C0] ? _raw_spin_unlock_bh+0x51/0x60 [ 159.017436][ C0] tipc_sendstream+0x47/0x70 [ 159.022049][ C0] ? tipc_getsockopt+0x4c0/0x4c0 [ 159.027033][ C0] ____sys_sendmsg+0x5a2/0x8c0 [ 159.031826][ C0] ? __sys_sendmsg_sock+0x40/0x40 [ 159.036883][ C0] ? import_iovec+0x7c/0xb0 [ 159.041410][ C0] ___sys_sendmsg+0x1f0/0x260 [ 159.046385][ C0] ? __sys_sendmsg+0x250/0x250 [ 159.051173][ C0] ? memcpy+0x56/0x70 [ 159.055269][ C0] ? __fdget+0x1a1/0x230 [ 159.059541][ C0] __x64_sys_sendmsg+0x1e2/0x2a0 [ 159.064504][ C0] ? ___sys_sendmsg+0x260/0x260 [ 159.069380][ C0] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 159.075475][ C0] x64_sys_call+0x4b/0x9a0 [ 159.079933][ C0] do_syscall_64+0x4c/0xa0 [ 159.084372][ C0] ? clear_bhb_loop+0x50/0xa0 [ 159.089083][ C0] ? clear_bhb_loop+0x50/0xa0 [ 159.093784][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 159.099707][ C0] RIP: 0033:0x7f806001dda9 [ 159.104347][ C0] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 159.124056][ C0] RSP: 002b:00007f805fa90038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 159.132590][ C0] RAX: ffffffffffffffda RBX: 00007f8060236fa0 RCX: 00007f806001dda9 [ 159.140584][ C0] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000004 [ 159.148662][ C0] RBP: 00007f806009f2a0 R08: 0000000000000000 R09: 0000000000000000 [ 159.156654][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 159.164877][ C0] R13: 0000000000000000 R14: 00007f8060236fa0 R15: 00007ffec07859e8 [ 159.172869][ C0] [ 159.175984][ C0] NMI backtrace for cpu 0 [ 159.180592][ C0] CPU: 0 PID: 2101 Comm: syz.2.559 Not tainted syzkaller #0 [ 159.188173][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 159.198422][ C0] Call Trace: [ 159.201723][ C0] [ 159.204606][ C0] __dump_stack+0x21/0x30 [ 159.208968][ C0] dump_stack_lvl+0xee/0x150 [ 159.213764][ C0] ? show_regs_print_info+0x20/0x20 [ 159.219020][ C0] ? resched_curr+0x9a/0x310 [ 159.223639][ C0] ? wake_up_process+0x20/0x20 [ 159.228426][ C0] dump_stack+0x15/0x20 [ 159.232599][ C0] nmi_cpu_backtrace+0x2b4/0x2c0 [ 159.237649][ C0] ? nmi_trigger_cpumask_backtrace+0x240/0x240 [ 159.243923][ C0] ? __kasan_check_write+0x14/0x20 [ 159.249067][ C0] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 159.254545][ C0] ? _raw_spin_lock+0xe0/0xe0 [ 159.259280][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 159.265370][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 159.271465][ C0] nmi_trigger_cpumask_backtrace+0x138/0x240 [ 159.277464][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 159.283375][ C0] rcu_dump_cpu_stacks+0x1c7/0x300 [ 159.288688][ C0] print_cpu_stall+0x320/0x600 [ 159.293478][ C0] rcu_sched_clock_irq+0x74a/0x12b0 [ 159.298696][ C0] ? rcu_boost_kthread_setaffinity+0x310/0x310 [ 159.304875][ C0] ? raise_softirq+0x71/0xe0 [ 159.309588][ C0] ? __raise_softirq_irqoff+0xd0/0xd0 [ 159.314980][ C0] ? hrtimer_run_queues+0x166/0x430 [ 159.320226][ C0] update_process_times+0x198/0x200 [ 159.325533][ C0] tick_sched_timer+0x17c/0x240 [ 159.330497][ C0] ? tick_setup_sched_timer+0x450/0x450 [ 159.336063][ C0] __hrtimer_run_queues+0x3b5/0x9e0 [ 159.341289][ C0] ? hrtimer_interrupt+0x8c0/0x8c0 [ 159.346419][ C0] ? ktime_get_update_offsets_now+0x2fa/0x310 [ 159.352516][ C0] hrtimer_interrupt+0x3c7/0x8c0 [ 159.357781][ C0] __sysvec_apic_timer_interrupt+0xfa/0x3e0 [ 159.363815][ C0] sysvec_apic_timer_interrupt+0xa4/0xc0 [ 159.369574][ C0] [ 159.372521][ C0] [ 159.375466][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 159.381469][ C0] RIP: 0010:kvm_wait+0xf2/0x140 [ 159.386339][ C0] Code: 91 d6 03 f4 eb 9a fa 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0 75 3f 0f b6 07 40 38 f0 75 10 66 90 0f 00 2d 90 91 d6 03 fb f4 71 ff ff ff fb e9 6b ff ff ff e8 4e c9 72 03 89 f9 80 e1 07 38 [ 159.405975][ C0] RSP: 0018:ffffc9000202f6c0 EFLAGS: 00000246 [ 159.412081][ C0] RAX: 0000000000000003 RBX: ffff88810e0d0088 RCX: ffffffff814f42f9 [ 159.420163][ C0] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffff88810e0d0088 [ 159.428171][ C0] RBP: ffffc9000202f750 R08: dffffc0000000000 R09: ffffed1021c1a012 [ 159.436178][ C0] R10: ffffed1021c1a012 R11: 1ffff11021c1a011 R12: 1ffff1103ee00001 [ 159.444435][ C0] R13: ffff8881f7038ad4 R14: dffffc0000000000 R15: 1ffff92000405ed8 [ 159.452661][ C0] ? __pv_queued_spin_lock_slowpath+0x5b9/0x9c0 [ 159.459450][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 159.464762][ C0] ? __pv_queued_spin_lock_slowpath+0x5b9/0x9c0 [ 159.471150][ C0] __pv_queued_spin_lock_slowpath+0x60f/0x9c0 [ 159.477268][ C0] ? __pv_queued_spin_unlock_slowpath+0x300/0x300 [ 159.483711][ C0] ? avc_has_perm+0x158/0x240 [ 159.488459][ C0] queued_spin_lock_slowpath+0x47/0x50 [ 159.493937][ C0] _raw_spin_lock_bh+0xd8/0xe0 [ 159.498727][ C0] ? _raw_spin_lock_irq+0xe0/0xe0 [ 159.503977][ C0] lock_sock_nested+0x97/0x290 [ 159.508761][ C0] ? sock_init_data+0xc0/0xc0 [ 159.513476][ C0] ? _raw_spin_lock_bh+0x8e/0xe0 [ 159.518471][ C0] ? _raw_spin_unlock_bh+0x51/0x60 [ 159.523608][ C0] tipc_sendstream+0x47/0x70 [ 159.528390][ C0] ? tipc_getsockopt+0x4c0/0x4c0 [ 159.533984][ C0] ____sys_sendmsg+0x5a2/0x8c0 [ 159.538793][ C0] ? __sys_sendmsg_sock+0x40/0x40 [ 159.543842][ C0] ? import_iovec+0x7c/0xb0 [ 159.549022][ C0] ___sys_sendmsg+0x1f0/0x260 [ 159.553956][ C0] ? __sys_sendmsg+0x250/0x250 [ 159.558751][ C0] ? memcpy+0x56/0x70 [ 159.562761][ C0] ? __fdget+0x1a1/0x230 [ 159.567057][ C0] __x64_sys_sendmsg+0x1e2/0x2a0 [ 159.572229][ C0] ? ___sys_sendmsg+0x260/0x260 [ 159.577107][ C0] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 159.583210][ C0] x64_sys_call+0x4b/0x9a0 [ 159.587650][ C0] do_syscall_64+0x4c/0xa0 [ 159.592186][ C0] ? clear_bhb_loop+0x50/0xa0 [ 159.596988][ C0] ? clear_bhb_loop+0x50/0xa0 [ 159.601879][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 159.607888][ C0] RIP: 0033:0x7f806001dda9 [ 159.612344][ C0] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 159.632068][ C0] RSP: 002b:00007f805fa90038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 159.640603][ C0] RAX: ffffffffffffffda RBX: 00007f8060236fa0 RCX: 00007f806001dda9 [ 159.648705][ C0] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000004 [ 159.656820][ C0] RBP: 00007f806009f2a0 R08: 0000000000000000 R09: 0000000000000000 [ 159.664840][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 159.672844][ C0] R13: 0000000000000000 R14: 00007f8060236fa0 R15: 00007ffec07859e8 [ 159.680915][ C0] [ 199.270341][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 143s! [syz.2.559:2102] [ 199.278564][ C1] Modules linked in: [ 199.282540][ C1] CPU: 1 PID: 2102 Comm: syz.2.559 Not tainted syzkaller #0 [ 199.289813][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 199.300068][ C1] RIP: 0010:tipc_sk_rcv+0x19e7/0x2c60 [ 199.305461][ C1] Code: 48 c1 e8 03 42 80 3c 28 00 74 05 e8 73 8b 19 fd 49 8b 7f 30 48 8d b4 24 c0 01 00 00 e8 a2 09 ff ff 48 8b 7c 24 70 48 83 ef 80 <48> 89 7c 24 70 be 04 00 00 00 e8 4a 8d 19 fd bb ff ff ff ff f0 41 [ 199.325168][ C1] RSP: 0018:ffffc9000203e7c0 EFLAGS: 00000283 [ 199.331418][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff888119362780 [ 199.339387][ C1] RDX: 0000000000000000 RSI: ffffc9000203e980 RDI: ffff88810e0d0080 [ 199.347456][ C1] RBP: ffffc9000203ea50 R08: dffffc0000000000 R09: ffffed1021c1a012 [ 199.355531][ C1] R10: ffffed1021c1a012 R11: 1ffff11021c1a011 R12: ffff888117877000 [ 199.363604][ C1] R13: dffffc0000000000 R14: ffffc9000203ec40 R15: ffff88810e0d0000 [ 199.371582][ C1] FS: 00007f805fa6f6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 199.380593][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 199.387180][ C1] CR2: 00007f805fa6ef98 CR3: 000000011db6b000 CR4: 00000000003506a0 [ 199.395251][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 199.403491][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 199.411712][ C1] Call Trace: [ 199.415028][ C1] [ 199.418114][ C1] ? stack_trace_save+0x98/0xe0 [ 199.423012][ C1] ? __stack_depot_save+0x442/0x480 [ 199.428270][ C1] ? kasan_set_free_info+0x23/0x40 [ 199.433407][ C1] ? __kasan_slab_free+0x11/0x20 [ 199.438462][ C1] ? tipc_node_xmit+0x256/0xce0 [ 199.443412][ C1] ? tipc_sk_backlog_rcv+0x16f/0x1f0 [ 199.448989][ C1] ? __release_sock+0x17c/0x3f0 [ 199.453846][ C1] ? sock_setsockopt+0x1b65/0x2270 [ 199.459055][ C1] ? __skb_queue_purge+0x170/0x170 [ 199.464172][ C1] tipc_node_xmit+0x256/0xce0 [ 199.468888][ C1] ? kasan_quarantine_put+0x34/0x190 [ 199.474211][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 199.479773][ C1] ? ____kasan_slab_free+0x130/0x160 [ 199.485103][ C1] ? __kasan_slab_free+0x11/0x20 [ 199.490065][ C1] ? slab_free_freelist_hook+0xc2/0x190 [ 199.495744][ C1] ? kfree_skbmem+0x10c/0x180 [ 199.500437][ C1] tipc_node_distr_xmit+0x292/0x390 [ 199.505832][ C1] ? tipc_node_xmit_skb+0x130/0x130 [ 199.511389][ C1] tipc_sk_rcv+0x19de/0x2c60 [ 199.516120][ C1] ? __skb_queue_purge+0x170/0x170 [ 199.521757][ C1] tipc_node_xmit+0x256/0xce0 [ 199.526459][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 199.532094][ C1] tipc_sk_push_backlog+0x4dd/0x790 [ 199.537382][ C1] tipc_sk_proto_rcv+0x98d/0x1540 [ 199.542523][ C1] ? tipc_sk_filter_rcv+0x2c40/0x2c40 [ 199.547901][ C1] ? unwind_get_return_address+0x4d/0x90 [ 199.553551][ C1] ? stack_trace_save+0xe0/0xe0 [ 199.558410][ C1] ? arch_stack_walk+0x60/0x140 [ 199.563360][ C1] tipc_sk_filter_rcv+0x2a55/0x2c40 [ 199.568659][ C1] ? stack_trace_save+0x98/0xe0 [ 199.573520][ C1] ? __stack_depot_save+0x34/0x480 [ 199.578651][ C1] ? kasan_set_track+0x5b/0x70 [ 199.583448][ C1] ? kasan_set_track+0x4a/0x70 [ 199.588217][ C1] ? kasan_set_free_info+0x23/0x40 [ 199.593340][ C1] ? kasan_set_track+0x5b/0x70 [ 199.598117][ C1] ? kasan_set_track+0x4a/0x70 [ 199.602880][ C1] ? kasan_set_free_info+0x23/0x40 [ 199.608054][ C1] ? ____kasan_slab_free+0x125/0x160 [ 199.613350][ C1] ? __kasan_slab_free+0x11/0x20 [ 199.618299][ C1] ? slab_free_freelist_hook+0xc2/0x190 [ 199.623866][ C1] ? kmem_cache_free+0x100/0x320 [ 199.628827][ C1] ? kfree_skbmem+0x10c/0x180 [ 199.633703][ C1] ? kfree_skb+0xc1/0x2f0 [ 199.638067][ C1] ? tipc_msg_reverse+0x698/0x900 [ 199.643107][ C1] ? tipc_sk_filter_rcv+0xbe5/0x2c40 [ 199.648406][ C1] ? tipc_sk_backlog_rcv+0x109/0x1f0 [ 199.653706][ C1] ? __release_sock+0x17c/0x3f0 [ 199.658571][ C1] ? __sys_setsockopt+0x268/0x460 [ 199.663614][ C1] ? __x64_sys_setsockopt+0xbf/0xd0 [ 199.669000][ C1] ? do_syscall_64+0x4c/0xa0 [ 199.673604][ C1] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 199.679773][ C1] ? tipc_sk_publish+0x440/0x440 [ 199.684711][ C1] ? __kasan_check_write+0x14/0x20 [ 199.689832][ C1] ? _raw_spin_lock_bh+0x8e/0xe0 [ 199.695221][ C1] tipc_sk_rcv+0x7b7/0x2c60 [ 199.699744][ C1] ? kfree_skbmem+0x10c/0x180 [ 199.704499][ C1] ? skb_release_data+0x814/0xa10 [ 199.709600][ C1] ? __skb_queue_purge+0x170/0x170 [ 199.714731][ C1] ? tipc_sk_filter_rcv+0x29de/0x2c40 [ 199.720125][ C1] tipc_node_xmit+0x256/0xce0 [ 199.725010][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 199.730702][ C1] tipc_node_distr_xmit+0x292/0x390 [ 199.735911][ C1] ? tipc_node_xmit_skb+0x130/0x130 [ 199.741119][ C1] ? selinux_capable+0x29c/0x380 [ 199.746059][ C1] tipc_sk_backlog_rcv+0x16f/0x1f0 [ 199.751350][ C1] ? tipc_sk_timeout+0x970/0x970 [ 199.756288][ C1] ? lock_sock_nested+0x1f1/0x290 [ 199.761323][ C1] __release_sock+0x17c/0x3f0 [ 199.766038][ C1] sock_setsockopt+0x1b65/0x2270 [ 199.770983][ C1] ? __sock_set_mark+0x160/0x160 [ 199.775939][ C1] ? selinux_socket_setsockopt+0x21c/0x300 [ 199.781765][ C1] ? selinux_socket_getsockopt+0x2e0/0x2e0 [ 199.787586][ C1] ? __kasan_check_write+0x14/0x20 [ 199.792752][ C1] ? put_vma+0x44/0x60 [ 199.796858][ C1] ? __fget_files+0x2c4/0x320 [ 199.801680][ C1] ? security_socket_setsockopt+0x82/0xa0 [ 199.807423][ C1] __sys_setsockopt+0x268/0x460 [ 199.812312][ C1] ? __ia32_sys_recv+0xb0/0xb0 [ 199.817171][ C1] __x64_sys_setsockopt+0xbf/0xd0 [ 199.822206][ C1] x64_sys_call+0x982/0x9a0 [ 199.826794][ C1] do_syscall_64+0x4c/0xa0 [ 199.831251][ C1] ? clear_bhb_loop+0x50/0xa0 [ 199.836147][ C1] ? clear_bhb_loop+0x50/0xa0 [ 199.840984][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 199.846907][ C1] RIP: 0033:0x7f806001dda9 [ 199.851348][ C1] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 199.871659][ C1] RSP: 002b:00007f805fa6f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 199.880225][ C1] RAX: ffffffffffffffda RBX: 00007f8060237080 RCX: 00007f806001dda9 [ 199.888212][ C1] RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003 [ 199.896204][ C1] RBP: 00007f806009f2a0 R08: 0000000000000004 R09: 0000000000000000 [ 199.904185][ C1] R10: 0000000020000540 R11: 0000000000000246 R12: 0000000000000000 [ 199.912450][ C1] R13: 0000000000000001 R14: 00007f8060237080 R15: 00007ffec07859e8 [ 199.920440][ C1] [ 199.923470][ C1] Sending NMI from CPU 1 to CPUs 0: [ 199.928853][ C0] NMI backtrace for cpu 0 [ 199.928867][ C0] CPU: 0 PID: 2101 Comm: syz.2.559 Not tainted syzkaller #0 [ 199.928885][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 199.928894][ C0] RIP: 0010:__pv_queued_spin_lock_slowpath+0x527/0x9c0 [ 199.928921][ C0] Code: 00 41 c6 45 00 00 48 8b 44 24 10 42 0f b6 04 38 84 c0 0f 85 1c 01 00 00 48 8b 44 24 08 c6 00 01 41 bd 00 80 ff ff eb 07 f3 90 <41> ff c5 74 47 43 0f b6 04 3e 84 c0 75 2b 80 3b 00 75 eb 48 89 df [ 199.928934][ C0] RSP: 0018:ffffc9000202f760 EFLAGS: 00000206 [ 199.928949][ C0] RAX: 0000000000000000 RBX: ffff88810e0d0088 RCX: ffffffff814f42f9 [ 199.928961][ C0] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffff88810e0d0088 [ 199.928971][ C0] RBP: ffffc9000202f850 R08: dffffc0000000000 R09: ffffed1021c1a012 [ 199.928983][ C0] R10: ffffed1021c1a012 R11: 1ffff11021c1a011 R12: 1ffff1103ee00001 [ 199.928996][ C0] R13: 00000000ffffffeb R14: 1ffff11021c1a011 R15: dffffc0000000000 [ 199.929009][ C0] FS: 00007f805fa906c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 199.929023][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 199.929035][ C0] CR2: 0000000020000000 CR3: 000000011db6b000 CR4: 00000000003506b0 [ 199.929049][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 199.929059][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 199.929069][ C0] Call Trace: [ 199.929075][ C0] [ 199.929083][ C0] ? __pv_queued_spin_unlock_slowpath+0x300/0x300 [ 199.929102][ C0] ? avc_has_perm+0x158/0x240 [ 199.929119][ C0] queued_spin_lock_slowpath+0x47/0x50 [ 199.929136][ C0] _raw_spin_lock_bh+0xd8/0xe0 [ 199.929154][ C0] ? _raw_spin_lock_irq+0xe0/0xe0 [ 199.929172][ C0] lock_sock_nested+0x97/0x290 [ 199.929190][ C0] ? sock_init_data+0xc0/0xc0 [ 199.929205][ C0] ? _raw_spin_lock_bh+0x8e/0xe0 [ 199.929223][ C0] ? _raw_spin_unlock_bh+0x51/0x60 [ 199.929240][ C0] tipc_sendstream+0x47/0x70 [ 199.929261][ C0] ? tipc_getsockopt+0x4c0/0x4c0 [ 199.929276][ C0] ____sys_sendmsg+0x5a2/0x8c0 [ 199.929296][ C0] ? __sys_sendmsg_sock+0x40/0x40 [ 199.929315][ C0] ? import_iovec+0x7c/0xb0 [ 199.929332][ C0] ___sys_sendmsg+0x1f0/0x260 [ 199.929351][ C0] ? __sys_sendmsg+0x250/0x250 [ 199.929370][ C0] ? memcpy+0x56/0x70 [ 199.929389][ C0] ? __fdget+0x1a1/0x230 [ 199.929407][ C0] __x64_sys_sendmsg+0x1e2/0x2a0 [ 199.929425][ C0] ? ___sys_sendmsg+0x260/0x260 [ 199.929444][ C0] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 199.929464][ C0] x64_sys_call+0x4b/0x9a0 [ 199.929479][ C0] do_syscall_64+0x4c/0xa0 [ 199.929497][ C0] ? clear_bhb_loop+0x50/0xa0 [ 199.929510][ C0] ? clear_bhb_loop+0x50/0xa0 [ 199.929524][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 199.929542][ C0] RIP: 0033:0x7f806001dda9 [ 199.929556][ C0] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 199.929569][ C0] RSP: 002b:00007f805fa90038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 199.929584][ C0] RAX: ffffffffffffffda RBX: 00007f8060236fa0 RCX: 00007f806001dda9 [ 199.929596][ C0] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000004 [ 199.929605][ C0] RBP: 00007f806009f2a0 R08: 0000000000000000 R09: 0000000000000000 [ 199.929615][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 199.929624][ C0] R13: 0000000000000000 R14: 00007f8060236fa0 R15: 00007ffec07859e8 [ 199.929638][ C0]